45571903 has 4 divisors (see below), whose sum is σ = 49077448. Its totient is φ = 42066360.

The previous prime is 45571879. The next prime is 45571909. The reversal of 45571903 is 30917554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45571903 - 2⁵ = 45571871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45571909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752753 + ... + 1752778.

It is an arithmetic number, because the mean of its divisors is an integer number (12269362).

Almost surely, 2^45571903 is an apocalyptic number.

45571903 is a deficient number, since it is larger than the sum of its proper divisors (3505545).

45571903 is a wasteful number, since it uses less digits than its factorization.

45571903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505544.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 45571903 is about 6750.6964825861. The cubic root of 45571903 is about 357.1898050968.

The spelling of 45571903 in words is "forty-five million, five hundred seventy-one thousand, nine hundred three".